:root {
  --ink: #102028;
  --paper: #eef3f3;
  --white: #f6fafa;
  --accent: #0e5c68;
  --band: #0c3a44;
  --on-band: #eef3f3;
  --muted: rgba(16, 32, 40, 0.55);
  --line: rgba(16, 32, 40, 0.12);
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --en: "Outfit", "Avenir Next", "Hiragino Sans", sans-serif;
  --header: 76px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
a { color: inherit; text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--accent); }
h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.35;
  margin: 0;
}
button, input, textarea { font: inherit; color: inherit; border-radius: 0; }
address { font-style: normal; }
::selection { background: rgba(14, 92, 104, 0.2); }
a:focus-visible, button:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
.skip { position: absolute; left: 16px; top: -64px; z-index: 80; background: var(--white); color: var(--ink); padding: 8px 16px; }
.skip:focus { top: 8px; }
.frame { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.kicker {
  margin: 0 0 16px;
  font-family: var(--en);
  font-weight: 500;
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.lead { font-size: 1.05rem; line-height: 1.9; letter-spacing: 0.02em; max-width: 34em; }
h2 { font-size: clamp(1.7rem, 2.2vw, 2.15rem); }
.prose { max-width: 34em; }
.prose a { text-decoration: underline; text-underline-offset: 0.2em; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 22px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { background: var(--paper); color: var(--ink); }
.btn-band { background: var(--on-band); color: var(--band); border-color: var(--on-band); }
.btn-band:hover { background: var(--band); color: var(--on-band); border-color: var(--on-band); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: var(--header);
  background: rgba(238, 243, 243, 0.92);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner {
  height: var(--header);
  width: min(1120px, calc(100% - 80px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo { display: flex; flex-direction: column; margin-right: auto; text-decoration: none; position: relative; z-index: 60; }
.logo:hover { color: inherit; }
.logo-name { font-weight: 500; font-size: 1.05rem; letter-spacing: 0.14em; line-height: 1; }
.logo-legal { margin-top: 8px; font-size: 0.68rem; letter-spacing: 0.18em; line-height: 1; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 24px; font-size: 0.92rem; letter-spacing: 0.04em; }
.nav a[aria-current="page"] { color: var(--accent); }
.nav-contact {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border: 1px solid var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}
.nav-contact:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.nav-contact[aria-current="page"] { color: var(--accent); border-color: var(--accent); }
.nav-check { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); border: 0; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  position: relative;
  z-index: 60;
}
.nav-toggle span { position: relative; width: 22px; height: 8px; }
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 22px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}
.nav-toggle span::before { transform: translateY(-4px); }
.nav-toggle span::after { transform: translateY(4px); }
.nav-check:focus-visible + .nav-toggle { outline: 1px solid var(--accent); outline-offset: 3px; }
.nav-check:checked + .nav-toggle span::before { transform: rotate(45deg); }
.nav-check:checked + .nav-toggle span::after { transform: rotate(-45deg); }

.hero { min-height: 100svh; display: grid; grid-template-columns: 42% 58%; background: var(--paper); }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: calc(var(--header) + 64px) 40px 64px; }
.hero h1 { font-size: clamp(2.4rem, 4.4vw, 4rem); line-height: 1.25; letter-spacing: 0.04em; margin-bottom: 24px; }
.hero h1 span { display: block; }
.hero-copy .lead { margin-bottom: 40px; }
.hero-photo { position: relative; overflow: hidden; min-height: 100svh; }
.hero-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: hero-in 1.2s var(--ease) both; }
.hero-copy .kicker, .hero-copy h1, .hero-copy .lead, .hero-copy .btn { animation: rise-in 0.8s var(--ease) both; }
.hero-copy .kicker { animation-delay: 0.15s; }
.hero-copy h1 { animation-delay: 0.3s; }
.hero-copy .lead { animation-delay: 0.45s; }
.hero-copy .btn { animation-delay: 0.6s; }
@keyframes hero-in { from { opacity: 0; transform: scale(1.06); } to { opacity: 1; transform: scale(1); } }
@keyframes rise-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes rise-scroll { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.js .reveal { opacity: 0; }
.js .reveal.is-in { animation: rise-scroll 0.7s var(--ease) both; }
.js .reveal.d1.is-in { animation-delay: 0.08s; }
.js .reveal.d2.is-in { animation-delay: 0.16s; }

.intro { display: grid; grid-template-columns: 1fr 48vw; align-items: center; background: var(--white); padding: 112px 0; }
.intro-copy { padding-left: max(40px, calc((100vw - 1120px) / 2)); padding-right: 64px; }
.intro-copy h2 { margin-bottom: 24px; }
.intro-copy p { max-width: 34em; }
.intro-photo { height: 64vh; min-height: 360px; overflow: hidden; }
.intro-photo img, .bleed img, .wide-photo img, .page-hero img, .work-photo img, .biz-photo img { width: 100%; height: 100%; object-fit: cover; }
.section { padding: 112px 0; }
.section-paper { background: var(--paper); }
.section-white { background: var(--white); }
.section-head h2 { margin-bottom: 24px; }
.work { display: grid; grid-template-columns: 58fr 42fr; gap: 40px; align-items: center; color: inherit; text-decoration: none; }
.section-head + .work { margin-top: 64px; }
